S&B Filters is a manufacturer of cold air intakes, filters and other performance parts, specializing in diesel/gas trucks and SUVs. S&B cold air intakes are engineered to minimize air restriction and increase air flow far better than your stock system. S&B Filters tests all their intakes to the internationally accepted ISO 5011 Standard when testing for airflow, efficiency and capacity. S&B recently started manufacturing particle separators using Military-Grade technology that separates over 94% of the dust, so your air filter stays cleaner, longer.